## -*-makefile-*-
## Copyright (C) 2016 and later: Unicode, Inc. and others.
## License & terms of use: http://www.unicode.org/copyright.html
## Cygwin-specific setup
## Copyright (c) 2001-2010, International Business Machines Corporation and
## others. All Rights Reserved.

## Commands to generate dependency files
GEN_DEPS.c=	$(CC) -E -MM $(DEFS) $(CPPFLAGS)
GEN_DEPS.cc=	$(CXX) -E -MM $(DEFS) $(CPPFLAGS) $(CXXFLAGS)

## Flags to create/use a static library
ifneq ($(ENABLE_SHARED),YES)
## Make sure that the static libraries can be built and used
CPPFLAGS += -DU_STATIC_IMPLEMENTATION
else
## Make sure that the static libraries can be built
STATICCPPFLAGS = -DU_STATIC_IMPLEMENTATION
endif

## ICU requires a minimum target of Windows 7, and WINVER is not set to this by default.
## https://msdn.microsoft.com/en-us/library/aa383745.aspx
CPPFLAGS += -DWINVER=0x0601 -D_WIN32_WINNT=0x0601

## Flags for position independent code
SHAREDLIBCFLAGS = 
SHAREDLIBCXXFLAGS = 
SHAREDLIBCPPFLAGS = -DPIC

## Additional flags when building libraries and with threads
THREADSCPPFLAGS = -D_REENTRANT
LIBCPPFLAGS =

# Commands to link. Link with C++ in case static libraries are used.
LINK.c=       $(CXX) $(CXXFLAGS) $(LDFLAGS)
#LINK.cc=      $(CXX) $(CXXFLAGS) $(LDFLAGS)

## Shared library options
LD_SOOPTIONS= -Wl,-Bsymbolic

## Commands to make a shared library
# $(subst) won't work in shell script.  #M# at the end omits these
# lines from the shell script (Make only)
SHLIB.c=	$(CC) $(CFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(subst cyg,lib,$@).$(A)#M#
SHLIB.cc=	$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared $(LD_SOOPTIONS) -Wl,--enable-auto-import -Wl,--out-implib=$(subst cyg,lib,$@).$(A)#M#
# the #SH# lines don't go through further postprocessing. 
# so, they must be valid shell script starting from column 4
#SH#SHLIB_c="$(CC) $(CFLAGS) $(LDFLAGS) -shared "
#SH#SHLIB_cc="$(CXX) $(CXXFLAGS) $(LDFLAGS) -shared "


## Compiler switch to embed a runtime search path
LD_RPATH=	
LD_RPATH_PRE=	-Wl,-rpath,

## Compiler switch to embed a library name
LD_SONAME =

## Shared object suffix
SO = dll
## Non-shared intermediate object suffix
STATIC_O = ao
LIBICU = cyg$(ICUPREFIX)
## To have an import library is better on Cygwin
IMPORT_LIB_EXT = .dll.a

## Compilation rules
%.$(STATIC_O): $(srcdir)/%.c
	$(COMPILE.c) $(STATICCPPFLAGS) $(STATICCFLAGS) -o $@ $<
%.o: $(srcdir)/%.c
	$(COMPILE.c) $(DYNAMICCPPFLAGS) $(DYNAMICCFLAGS) -o $@ $<

%.$(STATIC_O): $(srcdir)/%.cpp
	$(COMPILE.cc) $(STATICCPPFLAGS) $(STATICCXXFLAGS) -o $@ $<
%.o: $(srcdir)/%.cpp
	$(COMPILE.cc) $(DYNAMICCPPFLAGS) $(DYNAMICCXXFLAGS) -o $@ $<


## Dependency rules
%.d: $(srcdir)/%.c
	@echo "generating dependency information for $<"
	@echo -n "$@ " > $@
	@$(GEN_DEPS.c) $< >> $@ || (rm -f $@ && FALSE)

%.d: $(srcdir)/%.cpp
	@echo "generating dependency information for $<"
	@echo -n "$@ " > $@
	@$(GEN_DEPS.cc) $< >> $@ || (rm -f $@ && FALSE)

## Versioned target for a shared library.
## Since symbolic links don't work the same way on Windows,
## we only use the version major number.
#FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION).$(SO)
FINAL_SO_TARGET=$(basename $(SO_TARGET))$(SO_TARGET_VERSION_MAJOR).$(SO)
MIDDLE_SO_TARGET=$(FINAL_SO_TARGET)

IMPORT_LIB = $(subst cyg,lib,$(FINAL_SO_TARGET)).$(A)#M#
MIDDLE_IMPORT_LIB = $(subst cyg,lib,$(basename $(SO_TARGET)))$(SO_TARGET_VERSION_MAJOR).$(SO).$(A)#M#
FINAL_IMPORT_LIB = $(IMPORT_LIB)#M#

# The following is for Makefile.inc's use.
ICULIBSUFFIX_VERSION = $(LIB_VERSION_MAJOR)

## Versioned libraries rules
#%$(SO_TARGET_VERSION_MAJOR).$(SO): %$(SO_TARGET_VERSION).$(SO)
#	$(RM) $@ && cp ${<F} $@
%.$(SO): %$(SO_TARGET_VERSION_MAJOR).$(SO)
	ln -fs $(subst cyg,lib,${<F}).$(A) $(subst cyg,lib,$@).$(A)

## Install libraries as executable
INSTALL-L=$(INSTALL_PROGRAM)

##  Bind internal references

# LDflags that pkgdata will use
BIR_LDFLAGS= -Wl,-Bsymbolic

# Dependencies [i.e. map files] for the final library
BIR_DEPS=

# Environment variable to set a runtime search path
LDLIBRARYPATH_ENVVAR = PATH

# The type of assembly to write for generating an object file
GENCCODE_ASSEMBLY=-a gcc-cygwin

# put this here again so it gets cyguc...

#SH#ICULIBS_COMMON_LIB_NAME="${LIBICU}uc${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}.${SO}"

# for icu-config

#SH### copied from Makefile.inc
#SH#ICULIBS_COMMON="-l${LIBICU}uc${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_DATA="-l${LIBICU}${DATA_STUBNAME}${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_I18N="-l${LIBICU}${I18N_STUBNAME}${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_TOOLUTIL="-l${LIBICU}tu${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_CTESTFW="-l${LIBICU}ctestfw${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_ICUIO="-l${LIBICU}io${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_OBSOLETE="-l${LIBICU}obsolete${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_LAYOUT="-l${LIBICU}le${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_LAYOUTEX="-l${LIBICU}lx${ICULIBSUFFIX}${ICULIBSUFFIX_VERSION}"
#SH#ICULIBS_BASE="${LIBS} -L${libdir}"
#SH#ICULIBS="${ICULIBS_BASE} ${ICULIBS_I18N} ${ICULIBS_COMMON} ${ICULIBS_DATA}" 

## End Cygwin-specific setup

